Chigo Okonkwo

3.7k total citations · 1 hit paper
234 papers, 2.5k citations indexed

About

Chigo Okonkwo is a scholar working on Electrical and Electronic Engineering, Atomic and Molecular Physics, and Optics and Computer Networks and Communications. According to data from OpenAlex, Chigo Okonkwo has authored 234 papers receiving a total of 2.5k indexed citations (citations by other indexed papers that have themselves been cited), including 229 papers in Electrical and Electronic Engineering, 27 papers in Atomic and Molecular Physics, and Optics and 11 papers in Computer Networks and Communications. Recurrent topics in Chigo Okonkwo's work include Optical Network Technologies (173 papers), Advanced Photonic Communication Systems (155 papers) and Photonic and Optical Devices (69 papers). Chigo Okonkwo is often cited by papers focused on Optical Network Technologies (173 papers), Advanced Photonic Communication Systems (155 papers) and Photonic and Optical Devices (69 papers). Chigo Okonkwo collaborates with scholars based in Netherlands, United States and Germany. Chigo Okonkwo's co-authors include A.M.J. Koonen, E. Tangdiongga, R.G.H. van Uden, H. de Waardt, Rodrigo Amezcua‐Correa, Axel Schülzgen, Haoshuo Chen, Pierre Sillard, Rodrigo Amezcua Correa and Amado M. Velázquez-Benítez and has published in prestigious journals such as Nature Communications, Nature Photonics and Scientific Reports.

In The Last Decade

Chigo Okonkwo

206 papers receiving 2.3k citations

Hit Papers

1 papers align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Ultra-high-density spatial division multiplexing with a few-mode multicore fibre

2014 368 citations A.M.J. Koonen, Chigo Okonkwo et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Chigo Okonkwo Netherlands	24	2.4k	525	113	80	73	234	2.5k
Benyuan Zhu United States	33	3.4k 1.4×	688 1.3×	81 0.7×	56 0.7×	56 0.8×	137	3.5k
Johan Bauwelinck Belgium	27	2.7k 1.1×	544 1.0×	192 1.7×	60 0.8×	202 2.8×	290	2.8k
Werner Klaus Japan	26	2.1k 0.9×	449 0.9×	107 0.9×	60 0.8×	65 0.9×	133	2.3k
E. Tangdiongga Netherlands	28	3.4k 1.4×	694 1.3×	65 0.6×	90 1.1×	66 0.9×	351	3.4k
Michela Svaluto Moreolo Spain	17	2.2k 0.9×	483 0.9×	96 0.8×	247 3.1×	130 1.8×	165	2.3k
Norberto Amaya Gonzalez United States	7	1.1k 0.5×	339 0.6×	70 0.6×	139 1.7×	104 1.4×	10	1.2k
Zizheng Cao Netherlands	29	2.4k 1.0×	641 1.2×	117 1.0×	107 1.3×	108 1.5×	197	2.6k
Xingwen Yi China	22	1.9k 0.8×	487 0.9×	52 0.5×	56 0.7×	48 0.7×	165	2.0k
Di Che Australia	24	1.6k 0.7×	391 0.7×	64 0.6×	39 0.5×	69 0.9×	130	1.7k
Mu Xu United States	23	1.4k 0.6×	265 0.5×	60 0.5×	65 0.8×	46 0.6×	103	1.5k

Countries citing papers authored by Chigo Okonkwo

Since Specialization

Citations

This map shows the geographic impact of Chigo Okonkwo's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Chigo Okonkwo with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Chigo Okonkwo more than expected).

Fields of papers citing papers by Chigo Okonkwo

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Chigo Okonkwo. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Chigo Okonkwo. The network helps show where Chigo Okonkwo may publish in the future.

Co-authorship network of co-authors of Chigo Okonkwo

This figure shows the co-authorship network connecting the top 25 collaborators of Chigo Okonkwo. A scholar is included among the top collaborators of Chigo Okonkwo based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Chigo Okonkwo. Chigo Okonkwo is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Hout, Menno van den, et al.. (2025). Approaches for Mitigating Polarization-Induced Fading in Optical Vector Network Analyzer for Long-Length SDM Fiber Characterization. Journal of Lightwave Technology. 43(13). 6161–6167.

Mallik, Arun Kumar, et al.. (2025). Thermal and Electrical Study of Glass Interposers in Co-Packaged Electronic–Photonic Systems. IEEE Transactions on Components Packaging and Manufacturing Technology. 15(8). 1625–1635.

Frazão, João, et al.. (2024). Adaptive Reconciliation for Experimental Continuous-Variable Quantum Key Distribution Over a Turbulent Free-Space Optical Channel. TU/e Research Portal. Th1C.4–Th1C.4. 2 indexed citations

Hout, Menno van den, et al.. (2024). Estimating Capacity and SNR Loss Induced by MDG Using ANNs in Optical SDM Transmission. TU/e Research Portal. 1–3. 1 indexed citations

Puttnam, Benjamin J., Ruben S. Lúıs, Menno van den Hout, et al.. (2024). S/C/L-Band Transmission in Few-Mode MCF With Optical Frequency Comb Regeneration via Single-Mode Core Seed Distribution. Journal of Lightwave Technology. 43(4). 1786–1793. 2 indexed citations

Hout, Menno van den, Georg Rademacher, Ruben S. Lúıs, et al.. (2023). 273.6 Tb/s Transmission Over 1001 km of 15-Mode Fiber Using 16-QAM C-Band Signals. TU/e Research Portal. 1–3. 2 indexed citations

Mello, Darli A. A., Ruben S. Lúıs, Benjamin J. Puttnam, et al.. (2023). Digital Signal Processing for MDG Estimation in Long-Haul SDM Transmission. Journal of Lightwave Technology. 42(3). 1075–1084. 5 indexed citations

Bradley, Thomas D., Sjoerd van der Heide, Menno van den Hout, et al.. (2023). Characterisation of optical fibre tapers exploiting off-axis digital holography. IET conference proceedings.. 2023(34). 337–340. 1 indexed citations

Hout, Menno van den, Sjoerd van der Heide, Roland Ryf, et al.. (2022). MDG and SNR Estimation in SDM Transmission Based on Artificial Neural Networks. TU/e Research Portal. 8 indexed citations

10.

Hout, Menno van den, Sjoerd van der Heide, & Chigo Okonkwo. (2022). Kramers-Kronig Receiver With Digitally Added Carrier Combined With Digital Resolution Enhancer. Journal of Lightwave Technology. 40(5). 1400–1406. 6 indexed citations

11.

Hout, Menno van den, Sjoerd van der Heide, Simon Rommel, et al.. (2021). Beyond 110 GHz Uni-Traveling Carrier Photodiodes on an InP-Membrane-on-Silicon Platform. IEEE Journal of Selected Topics in Quantum Electronics. 28(2: Optical Detectors). 1–10. 12 indexed citations

12.

Rommel, Simon, et al.. (2020). All-Photonic Heterodyne sub-THz Wireless Transmission at 80 GHz, 120 GHz and 160 GHz Carrier Frequencies. TU/e Research Portal. 1–2. 3 indexed citations

13.

Johansen, Tom K., et al.. (2019). System Integration and Packaging of a Terahertz Photodetector at $W$ -Band. IEEE Transactions on Components Packaging and Manufacturing Technology. 9(8). 1486–1494. 8 indexed citations

14.

Heide, Sjoerd van der, Xuwei Xue, Nicola Calabretta, et al.. (2018). Programmable Adaptive BVT for Future Optical Metro Networks Adopting SOA-Based Switching Nodes. Photonics. 5(3). 24–24. 1 indexed citations

15.

Waardt, H. de, et al.. (2016). Low latency optical label switched add-drop node for multi-Tb/s data center interconnect metro networks. TU/e Research Portal. 845–847. 4 indexed citations

16.

Eiselt, Nicklas, Sjoerd van der Heide, Helmut Grießer, et al.. (2016). Experimental demonstration of 112-Gbit/s PAM-4 over up to 80 km SSMF at 1550 nm for Inter-DCI applications. TU/e Research Portal. 130–132. 19 indexed citations

17.

Shi, Y., A.M.J. Koonen, Chigo Okonkwo, & E. Tangdiongga. (2012). Broadband services distribution over large-core plastic optical fibre for in-door networks. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 64(6). 1–8. 3 indexed citations

18.

Beltrán, Marta, Y. Shi, Chigo Okonkwo, et al.. (2012). In-home networks integrating high-capacity DMT data and DVB-T over large-core GI-POF. Optics Express. 20(28). 29769–29769. 5 indexed citations

19.

Tartarini, Giovanni, Y. Shi, H. Yang, et al.. (2011). Towards converged broadband wired and wireless in-home optical networks. Data Archiving and Networked Services (DANS). 41(6). 1–6. 1 indexed citations

20.

Shi, Y., Chigo Okonkwo, E. Tangdiongga, & A.M.J. Koonen. (2011). Converged service transport over 1 mm core GI-POF for in-home networks. Data Archiving and Networked Services (DANS). 18(5). 96–99. 1 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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